Quote Originally Posted by farmtruc View Post

I'll take a look at the next sd tuned truck or one here, sd tuned vehicles will have maf codes, they must in order to revert to sd after failing maf.
but there is a wrong way to disable those maf codes that will cause the pcm to not fail the maf and revert to sd.
then the truck runs like sh*t
I've run SD tunes in the past and never seen a MAF code. That is what has me concerned.